Fig. 1From: Risk of late cervical cancer screening in the Paris region according to social deprivation and medical densities in daily visited neighborhoodsIllustration of multi-level structure of SIRS cohort. Level 1 refers to the 3006 individuals who can reside in the 50 neighborhood, work in 435 neighborhood and frequent 542 neighborhood. In this example, it is seen that individuals 1 to 3 have the same neighborhood of residence and work, but that they do not frequent the same neighborhoodBack to article page